Image via Koostik If you’re looking for an iPhone speaker dock that is energy efficient, you’ll be hard pressed to find something that uses less than the Koostik . It uses zero. Made entirely of solid wood, it amplifies the sound coming from the iPhone’s built-in speaker, giving you louder music without needing to plug anything in. … Read the full story on TreeHugger
Read the original:
Koostik iPhone Stereo Dock Uses Zero Electricity (Video)
